Normality may refer to:
- The property of conforming to a norm; see normality (behavior), assimilation (sociology)
- Normality (chemistry), a quantity related to molar concentration
- Normal number, in mathematics, a real number whose digits show a random distribution with all digits being equally likely
- Surface normal, in mathematics, a line perpendicular to a surface
- Sampled from a normal distribution, in probability theory and statistics
- Normal subgroup, in mathematics, a subgroup closed under conjugation
- Normal space, in mathematics, a topological space in which any two closed sets can be separated by open sets
- Normality (video game), a 1996 adventure video game by Gremlin Interactive